CN213512007U

CN213512007U - Harmonic speed reducer with compact structure

Info

Publication number: CN213512007U
Application number: CN202021972285.2U
Authority: CN
Inventors: 许帅
Original assignee: Shenzhen Honghui Technology Co ltd
Current assignee: Shenzhen Honghui Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-22
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a compact structure's harmonic speed reducer machine, which comprises a housin, the internally mounted of casing has the speed reduction subassembly, the speed reduction subassembly includes fixed mounting in shells inner wall's steel wheel, and the inner wall meshing of steel wheel has the flexbile gear, the flexbile gear inner wall is provided with wave generator, wave generator fixedly connected with input shaft, the one end that the casing is close to the input shaft has the ring canal of refueling through the bolt fastening, and refuels the bottom outer wall fixed mounting of ring canal and have the discharging pipe that the equidistance annular distributes, the casing is close to the one end of refueling the ring canal and has the STB through the bolt fastening, and the STB rotates with the input shaft to be connected. The utility model discloses a cold mechanism of cutting of cooling that sets up can utilize heat transfer crown plate, heat transfer sheet plate and bar groove, effectively increases the heat transfer area of this cold mechanism of cutting of cooling to utilize small-size semiconductor refrigerator's refrigeration effect, carry out effectual cooling to the inside processing of carrying out of casing, prevent that the speed reduction subassembly from producing the overheated condition.

Description

Harmonic speed reducer with compact structure

Technical Field

The utility model relates to a harmonic speed reducer machine technical field especially relates to a compact structure's harmonic speed reducer machine.

Background

The harmonic drive reducer is a gear drive which is characterized in that the flexible bearing is assembled on the wave generator to enable the flexible gear to generate controllable elastic deformation and is meshed with the rigid gear to transfer motion and power. The harmonic gear transmission reducer is a novel reducer developed by utilizing a planetary gear transmission principle. The harmonic drive reducer has high bearing capacity, in harmonic drive, the meshing of teeth is surface contact, and the number of the meshing teeth is more, so that the load per unit area is small, and the bearing capacity is higher than that of other drive forms.

The general heat dissipation design of traditional harmonic speed reducer machine is comparatively simple, because the produced friction between wave generator and the flexbile gear and the produced friction of the intertooth meshing process of flexbile gear and rigid wheel can make three's temperature rise, and then make three's plasticity increase to accelerate the wearing layer destruction of intertooth tooth flank easily, thereby influence the life of harmonic speed reducer machine, so have certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a harmonic speed reducer with compact structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compact structure's harmonic speed reducer machine, includes the casing, the internally mounted of casing has the speed reduction subassembly, the speed reduction subassembly includes fixed mounting in shells inner wall's steel wheel, and the inner wall meshing of steel wheel has the flexbile gear, the flexbile gear inner wall is provided with wave generator, wave generator fixedly connected with input shaft, the casing is close to the one end of input shaft and has refuels the ring canal through the bolt fastening, and refuels the bottom outer wall fixed mounting of ring canal and have the discharging pipe that the equidistance annular distributes, the casing is close to the one end of refuelling the ring canal and has the STB through the bolt fastening, and the STB rotates with the input shaft to be connected, refuel the same one side fixedly connected with of ring canal one end and relative of STB, and the top of internal thread pipe has sealed chock plug through threaded.

Preferably, the cooling mechanism comprises a heat exchange annular plate welded on the inner wall of the bottom end of the shell.

Preferably, four corners of one end of the shell close to the heat exchange annular plate are provided with mounting notches, and the inner walls of the mounting notches are fixed with small semiconductor refrigerators through screws.

Preferably, the heat exchange plate plates are welded on the inner wall of the circumference of the heat exchange ring plate and are distributed in an equidistant annular mode.

Preferably, the heat exchange plate is provided with strip-shaped grooves.

Preferably, one end of the flexible gear, which is far away from the input end shaft, is fixedly provided with an output end shaft, and the output end shaft is rotatably connected with the shell.

Preferably, the inner wall of one end, close to the discharge pipe, of the shell is provided with rectangular openings distributed annularly at equal intervals, and the inner walls of the rectangular openings are welded with cooling fins.

Compared with the prior art, the utility model provides a compact structure's harmonic speed reducer machine possesses following beneficial effect:

1. this harmonic speed reducer machine of compact structure through the ring pipe that adds that refuels that sets up, makes things convenient for maintainer to unscrew sealed chock plug to add lubricating oil in to adding the ring pipe through interior spiral pipe, and utilize the discharging pipe of equidistance annular distribution, realize evenly adding lubricating oil, guarantee the smooth operation of this speed reducer machine.

2. This compact structure's harmonic speed reducer machine through the cold mechanism of cutting of cooling that sets up, can utilize heat transfer crown plate, heat transfer sheet plate and bar groove, effectively increases this cold heat transfer area who cuts the mechanism of cooling to utilize small-size semiconductor refrigerator's refrigeration effect, carry out effectual cooling to the inside processing of carrying out of casing, prevent that the speed reduction subassembly from producing the overheated condition.

3. The harmonic speed reducer with the compact structure can further improve the heat dissipation performance of the speed reducer by arranging the radiating fins distributed in an equidistant annular mode, so that the smooth operation of the speed reducer is further ensured.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic overall structural diagram of a harmonic speed reducer with a compact structure according to the present invention;

fig. 2 is a schematic diagram of a semi-sectional structure of an oil filling ring pipe of a harmonic speed reducer with a compact structure according to the present invention;

fig. 3 is the utility model provides a compact structure's harmonic speed reducer machine's heat transfer ring plate spatial structure sketch map.

In the figure: 1-shell, 2-internal thread tube, 3-sealing plug head, 4-input end shaft, 5-top box, 6-oil filling ring tube, 7-discharge tube, 8-radiating fin, 9-wave generator, 10-heat exchange fin plate, 11-output end shaft, 12-heat exchange ring plate, 13-small semiconductor refrigerator, 14-flexible wheel, 15-steel wheel, 16-installation notch and 17-strip-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a harmonic reducer with compact structure comprises a housing 1, a speed reducing assembly is arranged in the housing 1, the speed reducing assembly comprises a steel wheel 15 fixedly arranged on the inner wall of the housing 1, and the inner wall of the steel wheel 15 is engaged with a flexible gear 14, the inner wall of the flexible gear 14 is provided with a wave generator 9, the wave generator 9 is fixedly connected with an input end shaft 4, one end of the shell 1 close to the input end shaft 4 is fixed with an oil filling ring pipe 6 through a bolt, and the outer wall of the bottom of the oil filling ring pipe 6 is fixedly provided with discharging pipes 7 which are distributed in an annular shape at equal intervals, one end of the shell 1 close to the oil filling ring pipe 6 is fixed with a top box 5 through a bolt, and the top box 5 is rotationally connected with the input end shaft 4, one end of the oiling ring pipe 6 is fixedly connected with the same internal threaded pipe 2 at the opposite side of the top box 5, and the top of the internal thread pipe 2 is connected with a sealing plug 3 through threads, and the bottom of the shell 1 is provided with a cooling mechanism.

The utility model discloses in, cooling mechanism is including welding in the heat transfer crown plate 12 of 1 bottom inner wall of casing.

Four corners of one end of the shell 1 close to the heat exchange annular plate 12 are provided with mounting notches 16, and the inner walls of the mounting notches 16 are fixed with small semiconductor refrigerators 13 through screws.

Wherein, the heat exchange plate plates 10 distributed annularly at equal intervals are welded on the circumferential inner wall of the heat exchange annular plate 12.

Wherein, strip-shaped grooves 17 are formed on the heat exchange plate 10.

Wherein, an output end shaft 11 is fixedly arranged at one end of the flexible gear 14 far away from the input end shaft 4, and the output end shaft 11 is rotatably connected with the shell 1.

The working principle is as follows: when in use, the external rotation system is connected with the input end shaft 4, and is matched with the wave generator 9, the flexible gear 14 and the steel gear 15 to carry out effective harmonic wave speed reduction transmission processing, and the speed reduction rotation output is carried out through the output end shaft 11; when the speed reducer operates, an operator can control and start the small semiconductor refrigerator 13, and the heat exchange ring plate 12, the heat exchange sheet plate 10 and the strip-shaped groove 17 are utilized to perform effective heat exchange action, so that the interior of the shell 1 is effectively cooled, and the condition that the speed reducer assembly is overheated is prevented; when the speed reducer needs to be maintained, a maintainer can unscrew the sealing plug head 3, add lubricating oil into the oil filling ring pipe 6 through the inner spiral pipe 2, and uniformly add the lubricating oil by using the discharging pipes 7 which are annularly distributed at equal intervals, so that the smooth operation of the speed reducer is ensured.

Example 2

Referring to fig. 1, in this embodiment, compared with embodiment 1, the harmonic reducer with a compact structure further includes a rectangular opening formed in an inner wall of one end of the housing 1 close to the discharge pipe 7 and distributed annularly at equal intervals, and the inner wall of the rectangular opening is welded with the cooling fins 8.

The working principle is as follows: when the cooling device is used, the cooling fins 8 which are distributed in an annular shape at equal intervals are utilized to further improve the heat dissipation performance of the speed reducer, so that the smooth operation of the speed reducer is further ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a compact structure's harmonic speed reducer machine, includes casing (1), the internally mounted of casing (1) has the speed reduction subassembly, a serial communication port, the speed reduction subassembly includes steel wheel (15) of fixed mounting in casing (1) inner wall, and the inner wall meshing of steel wheel (15) has flexbile gear (14), flexbile gear (14) inner wall is provided with wave generator (9), wave generator (9) fixedly connected with input shaft (4), the one end that casing (1) is close to input shaft (4) is through the bolt fastening have refuel ring canal (6), and refuel the bottom outer wall fixed mounting of ring canal (6) have equidistant annular distribution's discharging pipe (7), the one end that casing (1) is close to refuel ring canal (6) is through the bolt fastening have top box (5), and top box (5) and input shaft (4) rotate to be connected, refuel ring canal (6) one end and the same internal thread pipe (2) of relative one side fixedly connected with top box (5) And the top end of the internal thread pipe (2) is connected with a sealing plug head (3) through threads, and a cooling mechanism is installed at the bottom end of the shell (1).

2. The harmonic reducer according to claim 1, wherein the cooling mechanism comprises a heat exchange ring plate (12) welded to the inner wall of the bottom end of the casing (1).

3. The harmonic reducer with a compact structure as claimed in claim 2, wherein four corners of one end of the casing (1) close to the heat exchange ring plate (12) are provided with mounting notches (16), and the inner walls of the mounting notches (16) are fixed with small semiconductor refrigerators (13) through screws.

4. A harmonic reducer according to claim 3, wherein the heat exchanging ring plates (12) are welded with heat exchanging fin plates (10) distributed annularly at equal intervals on the inner circumferential wall.

5. A harmonic reducer according to claim 4 in a compact configuration, wherein the heat exchanger plates (10) are slotted (17).

6. A compact harmonic reducer according to claim 1, wherein the end of the flexspline (14) away from the input shaft (4) is fixedly mounted with the output shaft (11), and the output shaft (11) is rotatably connected with the housing (1).

7. A harmonic reducer with a compact structure according to claim 1, wherein the inner wall of the end of the housing (1) close to the discharge pipe (7) is provided with rectangular openings distributed annularly at equal intervals, and the inner walls of the rectangular openings are welded with the cooling fins (8).